Most fired furnaces use:

a. natural gas
b. kerosene
c. fuel oil
d. a & c


Answer: D

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Use the following engine dimensions to calculate the compression ratio

Bore: 92.0 mm Stroke: 85.0 mm Gasket thickness: 1.2 mm Deck height: 1.0 mm Piston dish volume: 2.0 cc Combustion chamber volume: 49.0 cc A) 9.6:1 B) 9.4:1 C) 9.3:1 D) 9.5:1

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Which one of the following number system conversion statement is NOT true?

A) The hexadecimal equivalent of 14 decimal is E in hexadecimal. B) The octal equivalent of 9 decimal is 12 in octal. C) The binary equivalent of 8F2 hexadecimal is 100011110010 in binary. D) The binary equivalent of 13 decimal is 1101 in binary.

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Present standards and good work habits require that recovered refrigerant be ______________

A) Sent out to be discarded at an EPA-certified facility B) Recycled C) Sent back to the manufacturer D) Kept for 90 days

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